I know that a girl is trying to make me jealous to test me, what should I do?

She tried to make me jealous but I know that, how should I react? This is really weird situation. (we are not couple but flirts recently)

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Disclaimer: I used couple word in order to represent boyfriend/girlfriend situation not wedding because we met 2 weeks before
I know that a girl is trying to make me jealous to test me, what should I do?
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